但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

注意: “首页 不同”可应用于文档中任意节的首页，而不仅仅是文档的第一页。 应在首页的页眉或页脚区域 上看到一个显示“首页页眉”的标签。 选中页码，将其突出显示，然后按“删除 ...

Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

通过桌面应用程序或 Web 浏览器登录 Office 或 Microsoft 365。 Microsoft 365 专属 Excel Microsoft 365 专属 Word Microsoft 365 专属 Outlook Microsoft 365 专属 PowerPoint Microsoft 365 专属 Access OneNote for Microsoft 365 Project Online 桌面客户端 Microsoft 365 专属 Publisher Visio 计划 2 Microsoft 365 Mac 版专属 Excel Microsoft 365 Mac 版专属 Word ...

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。 通过检查管理员上方是否显示电子邮件地址，确认管理员帐户也是你的 Microsoft 帐户。 如果显示了电子邮件地址，则这是 Microsoft 帐户。

由于此网站的设置，我们无法提供该页面的具体描述。

蓝牙附件的问题疑难解答 如果你可以打开蓝牙，但在配对或使用蓝牙附件时遇到问题，请尝试以下步骤来修复蓝牙附件会遇到的常见问题。 你还应查看蓝牙设备制造商的网站，尤其是在你的其他蓝牙设备能正常工作的情况下。